Species · BCR 14 · BBS 2025 Release · 1966–2024
Northern House Wren In Atlantic Northern Forest
Northern House Wren in Atlantic Northern Forest has surged: up 250% on the route-weighted index since 1968.
+250%Since 1968
128Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Northern House Wren has surged in Atlantic Northern Forest: up 250% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Northern House Wren in Atlantic Northern Forest is projected to fall about 53% by 2029 — from 5.3 in 2024 to a central estimate of 2.5 (95% range 0.33–4.7). A 5-year backtest shows a typical error of ±68.8%, with 0% of held-out values landing inside the 95% band.
-53%Change by 2029
2.5Projected 2029 index
0.33–4.795% range
±68.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.5 | 0.32 | 4.7 |
| 2026 | 2.5 | 0.32 | 4.7 |
| 2027 | 2.5 | 0.32 | 4.7 |
| 2028 | 2.5 | 0.33 | 4.7 |
| 2029 | 2.5 | 0.33 | 4.7 |
Routes In Atlantic Northern Forest
| Kasoag | NEW-YORK | 18 | 2024 |
| Concord | NEW-HAMPSHIRE | 16 | 2024 |
| New Hartford | CONNECTICUT | 15 | 1987 |
| Sheffield | MASSACHUSETTS | 14 | 2022 |
| St Johnsbury | VERMONT | 14 | 2024 |
| Cornville | MAINE | 13 | 2024 |
| N Orange | MASSACHUSETTS | 12 | 2024 |
| Fitzwilliam | NEW-HAMPSHIRE | 12 | 2024 |
| Hopkinton | NEW-HAMPSHIRE | 12 | 2024 |
| Marlow | NEW-HAMPSHIRE | 12 | 2024 |
| Fletcher | VERMONT | 12 | 2024 |
| Pittsfield | MASSACHUSETTS | 11 | 2016 |
| Walpole | NEW-HAMPSHIRE | 11 | 2024 |
| S Wallingfrd | VERMONT | 10 | 2022 |
| Glen | NEW-HAMPSHIRE | 9 | 2024 |
| Post Mills | VERMONT | 9 | 2024 |
| W Rutland | VERMONT | 9 | 2024 |
| Westbrook | MAINE | 8 | 2024 |
| Canterbury | NEW-HAMPSHIRE | 8 | 2024 |
| Highmarket | NEW-YORK | 8 | 2024 |
| Degrasse | NEW-YORK | 8 | 2024 |
| Landgrove | VERMONT | 8 | 2024 |
| Turner 2 | MAINE | 7 | 2024 |
| Dannemora | NEW-YORK | 7 | 2006 |
| Greenwood | MAINE | 6 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.